Plymouth Duster Engines by Year

The Duster was the coupe version of Plymouth's compact Valiant, built from 1970 to 1976. Its performance models were the Duster 340 (1970–1973) and the Duster 360 (1974–1976).

Pick a year to see every engine offered that model year, with its code, rated horsepower and the trims it came in. Each engine links to its full specs.

Jump to a year

1970–1976: 1970 · 1971 · 1972 · 1973 · 1974 · 1975 · 1976

1970–1976

Ratings are gross for 1970–1971 and SAE net from 1972. The 1976 Feather Duster used a lighter 225 calibrated for economy.

1970 Duster engines

Engine	Rated	Offered in
198 slant six	125 hp gross	Duster
225 slant six	145 hp gross	Duster
318 V8	230 hp gross	Duster
340 V8	275 hp gross	Duster 340

1971 Duster engines

Engine	Rated	Offered in
198 slant six 105 hp net.	125 hp gross	Duster
225 slant six 110 hp net.	145 hp gross	Duster
318 V8 155 hp net.	230 hp gross	Duster
340 V8 235 hp net.	275 hp gross	Duster 340

1972 Duster engines

Engine	Rated	Offered in
198 slant six	100 hp net	Duster
225 slant six	110 hp net	Duster
318 V8	150 hp net	Duster
340 V8	240 hp net	Duster 340

1973 Duster engines

Engine	Rated	Offered in
198 slant six	95 hp net	Duster
225 slant six	105 hp net	Duster
318 V8	150 hp net	Duster
340 V8	240 hp net	Duster 340

1974 Duster engines

Engine	Rated	Offered in
198 slant six	95 hp net	Duster
225 slant six	105 hp net	Duster
318 V8	150 hp net	Duster
360 V8 (E58)	245 hp net	Duster 360

1975 Duster engines

Engine	Rated	Offered in
225 slant six	95 hp net	Duster, Gold Duster, Custom
318 V8	145 hp net	Duster
360 V8 California version.	190 hp net	Duster 360 (California)
360 V8	230 hp net	Duster 360

1976 Duster engines

Engine	Rated	Offered in
3.7L / 225 slant six	100 hp net	Duster, Feather Duster, Silver Duster, Space Duster
5.2L / 318 V8	150 hp net	Duster
5.9L / 360 V8 Not sold in California.	220 hp net	Duster (360 option)

Working on one of these engines?

← All Plymouth vehicles